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https://issues.apache.org/jira/browse/HADOOP-19464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17928716#comment-17928716
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ASF GitHub Bot commented on HADOOP-19464:
-----------------------------------------
shameersss1 opened a new pull request, #7410:
URL: https://github.com/apache/hadoop/pull/7410
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### Description of PR
After [HADOOP-19278](https://issues.apache.org/jira/browse/HADOOP-19278) ,
The S3N folder marker _$folder$ is not skipped during listing of S3 directories
leading to S3A filesystem not able to read data written by legacy Hadoop S3N
filesystem and AWS EMR's EMRFS (S3 filesystem) leading to compatibility issues
and possible migration risks to S3A filesystem.
### How was this patch tested?
Added integration test `ITestEMRFSCompatibility` and ran other UT/IT in
`us-east-1 `region
### For code changes:
- [x] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [x] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [x] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [x] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
> Skip S3N Folder Marker _$folder$ During File Listing
> ----------------------------------------------------
>
> Key: HADOOP-19464
> URL: https://issues.apache.org/jira/browse/HADOOP-19464
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/s3
> Reporter: Syed Shameerur Rahman
> Assignee: Syed Shameerur Rahman
> Priority: Major
>
> After HADOOP-19278 , The S3N folder marker *_$folder$* is not skipped during
> listing of S3 directories leading to S3A filesystem not able to read data
> written by legacy Hadoop S3N filesystem and AWS EMR's EMRFS (S3 filesystem)
> leading to compatibility issues and possible migration risks to S3A
> filesystem.
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